The DBX to MBOX conversion program transfers emails in two methods - 1) In single method, go with ?Add DBX file(s)? option of this tool, add multiple DBX files one by one to transfer emails from Outlook Express to Thunderbird and on the other side 2) in batch mode, go with ?Add Folder having DBX file(s)? option to transfer OE to Outlook i.e. store all .dbx files in separate folder and start conversion, transfers all files at a time to .mbox. The tool generates single .mbox file for each .dbx file. The software preserves the initial folder architecture and emails attachments formats and attributes. User can easily interact with this software?s GUI. It is compatible with all editions of MS Outlook and Windows OS. Use it?s Demo version to transfer emails from Outlook Express to Thunderbird to its effectiveness by which you can transfer OE to Outlook with maximum 5 files of each .dbx file. To get the unlimited version, you have to pay 49.00 USDs and order online for its latest version v2.3.